WO2006003949A1 - インモールド成形用ラベル - Google Patents
インモールド成形用ラベル Download PDFInfo
- Publication number
- WO2006003949A1 WO2006003949A1 PCT/JP2005/011981 JP2005011981W WO2006003949A1 WO 2006003949 A1 WO2006003949 A1 WO 2006003949A1 JP 2005011981 W JP2005011981 W JP 2005011981W WO 2006003949 A1 WO2006003949 A1 WO 2006003949A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thermoplastic resin
- label
- resin film
- layer
- mold molding
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/04—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
- B29C45/14647—Making flat card-like articles with an incorporated IC or chip module, e.g. IC or chip cards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3456—Antennas, e.g. radomes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/704—Crystalline
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/75—Printability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2519/00—Labels, badges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
Definitions
- the present invention relates to an in-mold molding label that has an antenna and an IC chip for transmitting and receiving data in a non-contact manner in a laminated structure, and can read and write data.
- the label for in-mold molding obtained by the present invention can be printed or printed on the surface, and the internal IC chip and antenna (hereinafter referred to as IC module) can be seen through. There is no need to worry.
- the internal IC module is not damaged by the heat and pressure of the molten thermoplastic resin.
- Such in-mold molding labels have a higher adhesive strength, water resistance and durability than pressure-sensitive adhesive labels, and are made of pressure-sensitive adhesive glass. This is advantageous in that stable adhesive strength can be maintained even in a low temperature environment below the transition point. In addition, it is advantageous in that fraud such as forgery or tampering can be prevented since it cannot be re-attached after attachment.
- the IC label is made of a thermoplastic resin film and used as an in-mold molding label that is attached to a resin molded product by an in-mold molding method.
- the molded resin products can be used both indoors and outdoors, in water, and in harsh environments such as frozen food containers, industrial products, various pharmaceutical containers, manufacturing process management applications, logistics management applications, and returnable boxes. Even underneath, it can be used favorably, and fraud such as forgery or tampering due to label replacement can be prevented.
- Patent Document 6 proposes an extruded resin product in which an IC module is set as it is in a fixed position in a mold, and the IC module is sealed by extruding hot melted resin in the mold! RU In this way, the IC module is a force that undergoes a heating process in the process of manufacturing a product in which it is enclosed in a resin molded product.
- an IC module is required for molding a thermoplastic resin molded product. It is said to have heat resistance that can withstand any problems at moderate temperatures. These were very bulky and expensive for circuit protection.
- Patent Document 7 describes a non-contact data carrier label that can be used for in-mold molding.
- the IC module is in direct contact with the hot melted resin during in-mold molding, and as described above, damage to the IC module due to a sudden temperature change or extrusion of the molten resin. It causes problems such as deformation of the antenna due to pressure, which is insufficient from the viewpoint of protecting the IC module under the technical background of in-mold molding.
- IC chip is very sensitive to static electricity, when labeling, printing and printing, in-mold molding Since there is a possibility of damage due to the charging of the label material at times, countermeasures against static electricity are also important.
- Patent Document 1 Japanese Patent Laid-Open No. 11-134460
- Patent Document 2 Japanese Patent Laid-Open No. 11-231782
- Patent Document 3 JP 2002-074303
- Patent Document 4 Japanese Patent Application Laid-Open No. 02-084319
- Patent Document 5 JP 09-207166 A
- Patent Document 6 JP 08-056799 A
- Patent Document 7 JP 2002- 049905 A
- an IC module capable of solving production problems by protecting the IC module such as heat, pressure, and electrostatic force during label molding, printing, printing, and in-mold molding. It is an object of the present invention to provide a label for in-mold molding and a thermoplastic resin container with the label.
- the present invention provides an in-mold molding label and a labeled thermoplastic resin container having the following configuration.
- thermoplastic resin film (1) having a heat-sealable layer (la) and a printable thermoplastic resin film (2), and the thermoplastic resin film (1)
- thermoplastic resin film (1) An in-mold label that has an antenna and IC chip for transmitting and receiving data to and from the thermoplastic resin film (2).
- thermoplastic resin film (1) has a film layer (lb) having pores in the layer, and the porosity determined from the following formula of the thermoplastic resin film (1) is 1 to 60 %, Thermoplastic The thermal conductivity of the resin film (1) is between 0.01 and 0. ! ! ,! ⁇ Dal
- 0 is the true density and is the density of the film.
- thermoplastic resin film (1) and the thermoplastic resin film (2) are 0 to 5%. Label for molding.
- ⁇ 5 At least one force of the thermoplastic resin film (1), the thermoplastic resin film (2), and the label for in-mold molding
- thermoplastic resin film (1) is provided between the thermoplastic resin film (1) and the thermoplastic resin film (2), and the adhesive layer (3) is a pressure-sensitive adhesive and a curable resin.
- thermoplastic resin film (1) for in-mold molding according to any one of the above ⁇ 1> to ⁇ 6>, wherein the adhesive strength between the thermoplastic resin film (1) and the thermoplastic resin film (2) is 300 gfZ25 mm or more La Benole.
- ⁇ 8 At least one of the thermoplastic resin film (1) and the thermoplastic resin film (2) has a light transmittance at a wavelength of 380 nm of 60% or more, and the adhesive layer (3) is an ultraviolet curable type.
- thermoplastic resin film (2) has a printable layer (2a) on at least one side.
- ⁇ 10 The label for in-mold molding according to the above ⁇ 9 >>, wherein information including a barcode or a two-dimensional barcode is printed on the printable layer (2a).
- thermoplastic resin film (2) has a concealing layer (2b) on at least one side.
- ⁇ 12 The concealing layer (2b) comprises a metal thin film, a white pigment coat, white solid printing, and black solid
- thermoplastic resin according to any one of ⁇ 1> to ⁇ 12>, wherein at least one of the thermoplastic resin film (1) and the thermoplastic resin film (2) contains a crystalline polyolefin-based resin. Label for mold molding.
- thermoplastic resin film (1) and the thermoplastic resin film (2) contains at least one of an inorganic fine powder and an organic filler.
- ⁇ 16 Heat sealable layer (la) force Any one of the above ⁇ 1 >> to ⁇ 15> having a heat sealable resin containing an ethylene-based resin having a melting point of 50 to 130 ° C. Labole for in-mold molding.
- Heat-sealable layer (la) force A water-based coating solution containing a heat-sealable oil-dispersion with a phase transition temperature of 50 to 140 ° C can be applied and dried on the thermoplastic resin film (1).
- ⁇ 18 Antenna for transmitting / receiving data and IC chip power Label for in-mold molding as described in any one of ⁇ 1> to ⁇ 17> above, which has any function of RFID, smart tag, active tag .
- ⁇ 20 A thermoplastic resin container in which the label for in-mold molding described in ⁇ 1> to ⁇ 19> is pasted together during molding in a mold.
- thermoplastic resin container according to the above ⁇ 20 >>, wherein the adhesive strength between the thermoplastic resin container and the in-mold molding label is 300 gfZ 25 mm or more.
- the in-mold molding label of the present invention has a function as an IC label and has strength and water resistance. It has excellent properties and adhesive strength, can be printed on the surface and printed, and can prevent fraud such as disguise and tampering due to label re-attachment. There is no security concern that the internal IC chip or antenna can be seen through.In addition, when the label is attached to a thermoplastic resin container, the internal IC chip or antenna may be damaged by processing. There is no.
- the labeled thermoplastic resin container can be used in water, indoors or outdoors, and is suitable for frozen food containers, industrial products, various chemical containers, manufacturing process management applications, logistics management applications, returnable boxes, etc. Can be used.
- Label for in-mold molding of the present invention Comprises a thermoplastic resin film (1) having a heat-sealable layer (la) and a printable thermoplastic resin film (2).
- the thermoplastic resin film (1) and the thermoplastic resin film ( Between 2) and 2), it has an antenna and IC chip to send and receive data without contact.
- the thermoplastic resin film (1) having a heat-sealable layer (la) is in direct contact with the molten resin forming the thermoplastic resin container during in-mold molding, and the heat-sealable layer (la)
- the resin is activated and firmly adheres the resin film (1) to the container, and prevents the antenna and the IC chip from directly touching the molten resin, thereby protecting them from heat and stress damage.
- the thermoplastic resin film (2) covers the antenna and IC chip so that they are not exposed to the outside, and gives water resistance and durability, and prints and prints information such as barcodes on at least one side of the label. It is possible to improve convenience and design.
- the thermoplastic resin film (2) is opaque so that the antenna and IC chip inside the label cannot be seen through.
- thermoplastic resin film (1) has a film layer (lb) having pores in the layer, and the porosity calculated from the following formula of the thermoplastic resin film (1) is 1 to Preferably 60% 10 to 50% is more preferable, and 20 to 45% is particularly preferable.
- the thermal conductivity of the thermoplastic resin film (1) is preferably from 0.01 to 0.5 WZm'K, more preferably from 0.05 to 0.15 W / m'K than the force S, 0 08 to 0.12 W / m'K is particularly preferable.
- the cushioning and thermal insulation of the thermoplastic resin film (1) will be improved, and the antenna and IC chip will be more reliably protected.
- the temperature of the active layer of the heat-sealable layer (la) can be effectively maintained when the in-mold label is adhered.
- the film layer (lb) is preferably stretched at least in a uniaxial direction. Stretching will be described in detail later, but it is possible to easily adjust the porosity by imparting pores to the film layer (lb) by stretching. Furthermore, the stretch orientation of the thermoplastic resin contained in the film layer (lb) can impart thickness uniformity, rigidity, etc. suitable for post-processing including printing and labels.
- the thermal shrinkage of the thermoplastic resin film (1) and the thermoplastic resin film (2) constituting the in-mold molding label of the present invention is preferably 0 to 5%, respectively. More preferably, it is ⁇ 4%. If the thermal contraction rate of the label exceeds 5%, the label is likely to be deformed by the heat of the molten resin when the label is attached to the thermoplastic resin container, and the appearance is liable to deteriorate.
- thermoplastic resin film (1) and the thermoplastic resin film (2) constituting the in-mold molding label of the present invention have a low heat shrinkage as much as possible. Is better.
- thermoplastic resin film (1), the thermoplastic resin film (2), and the label for in-mold molding has an opacity of 70 to 100%. 100% is more preferable, and 90 to 100% is particularly preferable.
- opacity of the thermoplastic resin film (2) to 70% or more, there is no security concern that the internal IC chip and antenna can be seen through. It can be handled.
- the label of the thermoplastic resin container can be displayed without seeing through it. It is possible to improve the design of printed printing and the reading rate of barcode printing.
- thermoplastic resin film As a specific method for sealing and fixing the antenna and the IC chip between the thermoplastic resin film (1) and the thermoplastic resin film (2), a thermoplastic resin film is used. It is preferable to have an adhesive layer (3) between (1) and the thermoplastic resin film (2).
- the adhesive layer (3) preferably contains at least one of a pressure sensitive adhesive, a curable resin adhesive, an ultraviolet curable adhesive, and an electron beam curable adhesive.
- the adhesive strength between the thermoplastic resin film (1) and the thermoplastic resin film (2) is high! Specifically, it is preferably 300 to 8000 gfZ25 mm, more preferably 300 to 8000 gfZ25 mm, and particularly preferably 500 to 7000 fZ25 mm. If the adhesive strength between the film (1) and film (2) is less than 300gfZ25mm, it will be easy to peel off, and the outer surface of the thermoplastic resin film (2) on the label surface will rise easily. Deterioration is likely to occur.
- At least one of the thermoplastic resin film (1) and the thermoplastic resin film (2) has a transmittance of 60% or more for light having a wavelength of 380 nm, and the adhesive layer (3) is UV hardened.
- the adhesive layer (3) is UV hardened.
- the thermoplastic resin film (2) preferably has a printable layer (2a) on at least one side.
- the printability layer (2a) is provided in order to properly perform various printing and printer printing when the present invention is used as a label.
- the thermoplastic resin film (2) preferably has a concealing layer (2b) on at least one side.
- a concealing layer (2b) As the concealing layer (2b), at least one of a metal thin film, a white pigment coat, a white solid printing, and a black solid printing can be selected.
- the concealing layer (2b) improves the opacity of the thermoplastic resin film (2). By providing this, there is no security concern that the internal IC chip or antenna can be seen through. It can be handled like a normal label.
- thermoplastic resin film (1) and the thermoplastic resin film (2) constituting the in-mold molding label of the present invention include high-density polyethylene, medium-density polyethylene, and low-density polyethylene as the thermoplastic resin used in the film.
- ethylene resin propylene resin, polymethyl-1-pentene
- polyolefin resin such as ethylene monocyclic polyolefin copolymer, polyethylene terephthalate and its copolymer, polyethylene naphthalate, aliphatic polyester, etc.
- Plastic polyester resin Nylon 6, Nylon 6, 6, Nylon 6, 10, Nylon 6, 12, etc.
- Ionomers polyphenylene sulfide, etc. It can be mentioned.
- These rosins can be used in combination of two or more.
- At least one of the films contains polyolefin resin. It is particularly preferred that it contains a propylene-based resin, since it has a low thermal conductivity, more preferably it contains a crystalline polyolefin-based resin.
- Propylene-based rosins that are strong include propylene homopolymers that exhibit isotactic or syndiotactic stereoregularity, propylene, ethylene, 1-butene, 1-hexene, 1-heptene, 4-methyl.
- thermoplastic resin film (1) and the thermoplastic resin film (2) contains at least one of an inorganic fine powder and an organic filler, and these are incorporated into the film when stretched. It is possible to provide a large number of fine pores having nuclei as a core, which is preferable because it contributes to a decrease in the thermal conductivity of the label and an increase in opacity.
- the kind of inorganic fine powder or organic filler is not particularly limited.
- Examples of the inorganic fine powder include heavy calcium carbonate, light calcium carbonate, calcined clay, talc, barium sulfate, diatomaceous earth, magnesium oxide, zinc oxide, titanium oxide, and silicon oxide. Of these, heavy calcium carbonate, calcined clay, and talc are preferred because they are inexpensive and have good moldability.
- Examples of the organic filler include polyethylene terephthalate, polybutylene terephthalate, polyamide, polycarbonate, polyethylene naphthalate, polystyrene, melamine resin, polyethylene sulfite, polyimide, polyethylene ether ketone, polyphenylene sulfite, cyclic Examples thereof include a homopolymer of olefin and a copolymer of cyclic olefin and ethylene. In particular, it is preferable to use an incompatible organic filler having a melting point higher than that of the thermoplastic resin used in the film.
- thermoplastic resin One of the above inorganic fine powders or organic fillers may be used alone, or two or more may be selected and used in combination. When two or more types are used in combination, an inorganic fine powder and an organic filler may be mixed and used. Further, if necessary, a dispersant, an antioxidant, a compatibilizer, an ultraviolet stabilizer, an anti-blocking agent, a permanent antistatic agent and the like can be added to the thermoplastic resin.
- thermoplastic resin film (1) and the thermoplastic resin film (2) of the present invention may be a single layer or a multilayer.
- the base layer and the surface layer are arranged on one side or both sides thereof, and each layer may be composed of the same thermoplastic resin or different types of thermoplastic resin. Also good. Further, when inorganic fine powder or organic filler is blended with these, the kind and blending amount thereof may be the same or different.
- thermoplastic resin film (1) and the thermoplastic resin film (2) include at least a layer stretched in a uniaxial direction.
- the layers may be stretched individually before being laminated, or the whole may be stretched after being laminated. Further, the stretched layer may be further stretched after lamination.
- the stretching temperature is higher than the glass transition point.
- the draw ratio is not particularly limited, and is appropriately selected depending on the purpose and the properties of the thermoplastic resin used.
- a propylene homopolymer or copolymer thereof when used as thermoplastic resin, it is about 1.2 to 12 times, preferably 2 to 10 times when stretched in one direction, and biaxially stretched.
- the area magnification is 1.5 to 60 times, preferably 10 to 50 times.
- thermoplastic resin When using other thermoplastic resin, it is 1.2 to 10 times, preferably 2 to 5 times when stretched in one direction, and 1.5 to 20 times in area magnification in the case of biaxial stretching. Preferably 4 to 12 times.
- heat treatment at a high temperature is performed as necessary.
- the thicknesses of the thermoplastic resin film (1) and the thermoplastic resin film (2) are appropriately determined according to the material used, the application target of the label, the purpose of use, the use environment, the storage environment, and the like.
- the thickness of the thermoplastic resin film (1) is preferably 5 to 500 m, more preferably 10 to 300 m.
- the thickness of the thermoplastic resin film (2) is preferably 20 to 500 m, more preferably 40 to 300 ⁇ m.
- the heat-sealable resin constituting the heat-sealable layer (la) used for the in-mold molding label of the present invention a known one can be selected, and the label is pasted by calorie heat during in-mold molding.
- the type is not particularly limited as long as it has a function of sticking to the resin material constituting the container to be worn! /.
- high-pressure polyethylene or linear linear polyethylene having the above-mentioned density and a crystallinity (X-ray method) of 10 to 60% and a number average molecular weight of 10,000 to 40,000 is preferable.
- polyethylene on a straight line obtained by copolymerization using a cene catalyst is especially preferred.
- These ethylene-based coffins may be used alone or in combination of two or more.
- ethylene-based resin is used by mixing with other resins such as polypropylene, a form mainly containing ethylene-based resin (50% by weight or more) is preferable.
- the thermoplastic resin film (1) is formed inside the multilayer die.
- the molten resin of the aforementioned resin layer (for example, film layer (lb)) and the heat-sealable resin adhesive A co-extrusion method in which the molten resin is laminated and extruded into a film, and the extrusion resin lamination in which the melted resin of the heat-sealable resin adhesive is extruded in a film form from a T-die and laminated on the aforementioned resin layer And a method in which the heat-sealable resin is dissolved in a solvent such as toluene or ethyl acetate sorb, and then dried and laminated.
- a solvent such as toluene or ethyl acetate sorb
- the thickness of the heat-sealable layer (la) is preferably 1 to 100 ⁇ m, more preferably 2 to 20 ⁇ m.
- the heat-sealable layer must be melted by the heat of the molten resin that is the raw material for the container, and the container and the label must be fused together.
- the thickness of the heat-sealable layer is preferably 1 m or more.
- it is 100 ⁇ m or less, it is relatively easy to set the molding die during in-mold molding where the label is difficult to curl.
- a known rosin additive can be optionally added as long as the performance required for heat sealing is not impaired.
- additives include dyes, nucleating agents, plasticizers, mold release agents, antioxidants, antiblocking agents, flame retardants, ultraviolet absorbers, ultraviolet stabilizers, and antistatic agents.
- an aqueous heat-sealable resin suitable for the in-mold molding label is appropriately selected. It can also be used. According to this method, the adhesive strength of the label can be improved regardless of the type of thermoplastic resin forming the container.
- heat sealability provided by applying and drying an aqueous coating solution containing a heat-sealable oil-dispersed oil purge with a phase transition temperature of 50 to 140 ° C on the thermoplastic resin film (1). It is preferable to select fat ⁇ .
- the water-based heat-sealable resin it is preferable to use a resin-based purged resin having heat-sealability (thermal activity) suitable for in-mold molding.
- the dispersion of the resin having heat sealability include emulsion polymerization, suspension polymerization, and pressing. Examples thereof include a material that is mechanically pulverized with an extruding machine and dispersed in an aqueous solvent.
- An example of a preferable water-based heat-sealable resin that can prevent blocking between labels is the blistering of in-mold molding labels, in which the heat-sealable layer is formed while leaving the particle form of the dispersion.
- acrylic polymers vinyl acetate polymers, and styrene polymers are preferred.
- ethylene 'acrylic acid copolymers ethylene' methacrylic acid copolymers, ethylene 'acrylic acid ester copolymers.
- Acrylic ester polymer, ethylene'acetic acid copolymer, and styrene'butadiene copolymer are more preferred.
- the phase transition temperature of these coconut resin purges is in-mold forming ability, preferably 50-140 ° C, more preferably 55-130 ° C.
- the phase transition temperature exceeds 140 ° C, the low-temperature heat sealability tends to deteriorate and the adhesive strength of the label tends to decrease.
- the phase transition temperature is less than 50 ° C, it is difficult to form a heat-sealable layer while leaving the particle form of the disperse rayon. Since the oil covers the label surface in a smooth state, blistering tends to occur during in-mold molding, and blocking tends to occur during printing or label caching. Therefore, productivity tends to decrease if the drying after applying the coating liquid is performed at a temperature lower than the phase transition temperature.
- the heat-sealable layer of the label is sticky even at room temperature, and there is a problem of blocking blocking between labels when storing the label in summer.
- the coating method of these oil and fat dispersions includes comma method, roll method, rod method, curtain method, gravure method, blade method, air knife method, size press method, wire bar method, slide hopper method, General such as reverse gravure method A coating method is used.
- a method of coating by appropriately combining these general coating methods can also be used.
- the dry coating amount of the heat-sealable layer (la) is usually preferably 0.05 to 30 g / m 2 , more preferably 0.1 to 20 gZm 2 , and even more preferably 0.2 to LOgZm 2 . If the dry coating amount is less than 0.05 g / m 2, there is a tendency that sufficient adhesive strength with the container cannot be obtained during in-mold molding. When the dry coating amount exceeds 30 gZm 2 , the adhesive strength is sufficient, but the coated surface tends to be smooth and pre-stalling tends to occur. In addition, if the amount of coating increases, coating cannot be completed in a single process, and multiple coatings are required, resulting in high production costs.
- the heat-sealable layer (la) after coating and drying covers 30 to 100%, preferably 40 to 90%, more preferably 50 to 80% of the surface of the thermoplastic resin film (1). This is suitable for in-mold molding. If it is less than 30%, the adhesive strength with the container tends to decrease during in-mold molding.
- the heat-sealable layer (la) made of a water-based heat-sealable resin dispersion has adhesion to the above-mentioned resin layer (for example, film layer (lb)) constituting the thermoplastic resin film (1).
- a dispersant a thickener, an antifoaming agent, an antiseptic, an ultraviolet absorber, an ultraviolet stabilizer, an antioxidant, a surfactant, a dye, a pigment, an antistatic agent, etc. may be added as necessary. Can do.
- the surface treatment method is a combination of a surface oxidation treatment and a surface treatment agent.
- a surface oxidation treatment corona discharge treatment, flame treatment, plasma treatment, glow discharge treatment, ozone treatment and the like generally used for films are used alone or in combination.
- corona treatment and flame treatment are preferred, and in the case of corona treatment, the treatment amount is 600 to 12, OOOj / m 2 (10 to 200 W'min Zm 2 ), preferably 1,200 to 9, OOOj. / m 2 (20 ⁇ 150W'min Zm, in case of frame processing, 8000 0 ⁇ 200, OOOj / m 2 , preferable ⁇ or 20, 000-100,000j / m 2 force ⁇ !
- primer examples include polyethyleneimine, alkyl-modified polyethyleneimine having 1 to 12 carbon atoms, poly (ethyleneimine-urea) and polyaminepolyamide ethyleneimine adducts, and polyaminepolyamide epichlorohydrin adducts.
- Polyethyleneimine polymers acrylic acid amide-acrylic acid ester copolymers, acrylic acid amide-acrylic acid ester-methacrylic acid ester copolymers, polyacrylamide derivatives, oxazoline group-containing acrylic acid ester polymers, and Acrylic acid ester polymers such as polyacrylic acid ester, water-soluble resin such as polybulurpyrrolidone, polyethylene glycol, polybulal alcohol, and resin, and polyacetate buthl, polyurethane, Water-dispersible resin such as tylene acetate butyl copolymer, polysalt vinylidene, chlorinated polypropylene, and atta-trilu-butadiene copolymer is used.
- water-soluble resin such as polybulurpyrrolidone, polyethylene glycol, polybulal alcohol, and resin
- polyacetate buthl polyurethane
- Water-dispersible resin such as tylene acetate butyl copolymer, polysalt vinylidene,
- a polyethyleneimine polymer, urethane resin, polyacrylate, and the like are preferable, a polyethyleneimine polymer is more preferable, and a polyethylenei having a polymerization degree of 20 to 3,000 is more preferable.
- Antistatic polymer As the antistatic polymer, there are polymer types such as cationic, arion, and amphoteric, and the cationic system includes quaternary ammonium salt structure and phospho-um.
- the molecular weight of the antistatic polymer can be set at any level depending on the polymerization conditions such as the polymerization temperature, the type and amount of the polymerization initiator, the amount of solvent used, and the chain transfer agent.
- the molecular weight of the resulting polymer is preferably in the range of 1,000 to 500,000, particularly within the range of 1,000 to 1,000,000.
- the surface treatment agent in the former stage of the present invention may contain the following optional components as necessary.
- Optional component 1 By adding a crosslinking agent, the coating strength and water resistance can be further improved.
- the crosslinking agent include epoxy compounds such as glycidyl ether and glycidyl ester, and water-dispersed resins such as epoxy resin, isocyanate, oxazoline, formalin, and hydrazide.
- the addition amount of the crosslinking agent is usually in the range of 100 parts by weight or less with respect to 100 parts by weight of the active ingredient excluding the solvent for the surface modifier.
- Optional component 2 Alkali gold salt is used as the surface modifier for the alkali metal salt or alkaline earth metal salt.
- Metal salts or alkaline earth metal salts are added, and these salts include water-soluble inorganic salts such as sodium carbonate, sodium bicarbonate, potassium carbonate, sodium sulfite, other alkaline salts, and sodium chloride, sulfuric acid. Examples thereof include sodium, sodium nitrate, sodium tripolyphosphate, sodium pyrophosphate, and ammonium alum.
- the amount of the optional component is usually 50 parts by weight or less with respect to 100 parts by weight of the active ingredient excluding the solvent for the surface modifier.
- the surface modifier may further contain a surfactant, an antifoaming agent, a water-soluble or water-dispersible fine powder substance, and other auxiliary agents.
- the amount of the optional component is usually 20 parts by weight or less with respect to 100 parts by weight of the active ingredient excluding the surface modifier solvent.
- Each component of the surface modifier is used after being dissolved in water or a hydrophilic solvent such as methyl alcohol, ethyl alcohol, isopropyl alcohol, etc. Among them, it is preferably used in the form of an aqueous solution.
- the solution concentration is usually about 0.1 to 20% by weight, preferably about 0.1 to 10% by weight.
- the coating method is performed by die method, lip method, roll method, gravure method, spray method, blade method, reverse method, air knife method, size press method, Mayer bar method, etc., smoothing if necessary, drying process After that, excess water and hydrophilic solvent are removed.
- the coating amount is 0.05 to 5 gZm 2 , preferably 0.01 to 2 g / m 2 as a solid content after drying.
- thermoplastic resin film that forms the thermoplastic resin film layer (A) is a stretched film
- the surface-modified layer may be applied in a single step or in multiple steps regardless of whether it is longitudinally or laterally stretched. You can also work.
- a writability-imparting layer or a print quality improving layer (a pigment) is applied to the surface as necessary.
- a coating layer), a thermal transfer receiving layer, a laser print layer, a heat-sensitive recording layer, an ink jet receiving layer, and the like can be provided by the same coating method as that for forming the surface modified layer.
- the pigment coat layer for improving the print quality used in the present invention is described in detail in JP-A-4-77530, JP-A-3-10894, JP-A-2003-127290, and the like. It is possible to use known ones that are usually used as coating agents for coated paper. As a result, it is possible to obtain a printed matter having good adhesion, drying property, and coloring property of the printing ink. Moreover, the writing property with a pencil is also good.
- thermo transfer receiving layer for printing used in the present invention
- known ones as described in detail in JP-A-9-164768 and the like can be used.
- variable information such as barcodes and product names can be suitably printed with a suitable printer, and high-definition and water-resistant printed matter can be obtained.
- ink-jet receiving layer for printing used in the present invention, known ones as described in detail in JP-A-9-156208 and the like can be used. By providing these layers, printing with a suitable printer can be suitably carried out, and a water-resistant printed matter can be obtained in addition to the water resistance of the resin film.
- a concealing layer (2b) may be provided on at least one surface of the thermoplastic resin film (2) of the present invention.
- the concealing layer is printed with letterpress J, offset J, screen imprint IJ, flexographic imprint IJ, Daravia printing, etc., with a thickness of 1 to 50 ⁇ m, preferably 5 to 40 ⁇ m. It can be formed by printing.
- the pigment coat layer may also serve as a concealing layer.
- the concealing layer is exposed to interference fringes on metal direct vapor deposition, metal transfer vapor deposition, metal foil transfer, metal powder-containing paint coating, pearl pigment-containing paint coating, and photosensitive resin. It can be formed by a developing (hologram shaping) method or the like. By providing such a concealing layer, it is possible to enhance the design as a label, to make the transparent resin film opaque, or to provide the printable layer (2a) on both sides. There is an IJ point.
- the adhesive layer (3) used for the in-mold molding label of the present invention can be provided between the thermoplastic resin film (1) and the thermoplastic resin film (2).
- the antenna and IC chip can be embedded and fixed.
- the adhesive used for the adhesive layer (3) preferably contains at least one of a pressure sensitive adhesive, a curable resin adhesive, an ultraviolet ray curable adhesive, and an electron beam curable adhesive. It is preferable to use any one of a pressure-sensitive adhesive, a curable resin adhesive, and an ultraviolet curable adhesive.
- the adhesive strength between the thermoplastic resin film (1) and the thermoplastic resin film (2) is high. More specifically, it is preferably 300 gfZ25 mm or more, more preferably 300 to 8000 gf / 25 mm, and particularly preferably 500 to 7000 gfZ25 mm. If the adhesive strength between the film (1) and the film (2) is less than 300gfZ25mm, it is easy to peel off, and the thermoplastic resin film (2) may fall off the container, or the appearance may deteriorate due to blistering. There is also a concern about security problems as soon as they occur.
- the method using a pressure-sensitive adhesive as the adhesive layer (3) is the simplest method for forming the in-mold label according to the present invention.
- an antenna and an IC chip are placed on a thermoplastic resin film (1) having a heat-sealable layer, and a thermoplastic resin film (2) on which a pressure-sensitive adhesive layer is preliminarily provided is pressure-sensitive. If the adhesive layer is laminated and bonded so as to be in contact with the thermoplastic resin film (1) while embedding the antenna and the IC chip, the label for in-mold molding of the present invention can be obtained.
- the type and thickness (coating amount) of the pressure-sensitive adhesive can be variously selected depending on the type of thermoplastic resin film used, the environment in which the label is used, the adhesive strength, and the like. It can be formed by applying a water-based or solvent-based pressure-sensitive adhesive that is generally used and drying it. Natural rubber, synthetic rubber, acrylic, silicone, etc. can be used.
- the adhesive can be used in the form of an organic solvent solution or a water-dispersed form such as a dispersion or a emulsion.
- the coating method of the pressure sensitive adhesive is not limited at all, but for example, kiss coating method, die coating method, bar coating method, comma coating method, knife coating method, lip coating method, roll coating method, curtain coating method, gravure coating Method, spray coat method, brace Examples thereof include a method of directly coating on a thermoplastic resin film by a coat coat method, a reverse coat method, a reverse gravure method, etc., and a transfer method of transferring a material coated by these methods onto a process paper.
- the rubber-based pressure-sensitive adhesive examples include polyisobutylene rubber, butyl rubber and a mixture thereof, or these rubber-based pressure-sensitive adhesives including abetic acid rosin ester, terbene / phenol copolymer, terpene indene. The thing which mix
- acrylic pressure-sensitive adhesives include glass transition points such as 2-ethylhexyl acrylate 'n-butyl acrylate copolymer, 2-ethyl hexyl acrylate / ethyl acrylate' methyl methacrylate copolymer. Examples include those below 20 ° C. In order to improve the opacity of the label, it is also possible to use an adhesive containing a pigment such as titanium white.
- sensitive coating amount of the adhesive is particularly, 3 ⁇ 60GZm 2 usually in solid content, preferably in the range of 10 ⁇ 40gZm 2.
- the curable resin adhesives that can be used as the adhesive layer (3) are chemical reaction curable resin adhesives that are generally classified into room temperature one-part curable and normal temperature two-part curable adhesives. If so, very strong adhesive strength can be obtained. Usually, it can be pressure-bonded at room temperature or in a heated state. In the present application, there are few! A thermosetting adhesive can be used as long as it can be cured by heating. In general, cyanoacrylates, petitals, silicones, polyether polyols, polyisocyanate adhesives and polyester polyols, including polyurethanes, polyesters, and epoxys, including polyisocyanate adhesives Yarn and synthetic products can be used.
- the adhesive include, for example, liquid resin adhesives such as EL-150 (trade name) manufactured by Toyo Morton as polyurethane resin adhesives, or BLS-2080A and BLS-2080B.
- Adhesive strength of AD-503 (trade name) manufactured by the company can be used as a polyester-based resin adhesive. These are coated with a method similar to that for pressure-sensitive adhesives so that the dry coating amount is 0.5 to 25 g / m 2, and a thermoplastic resin film (wet dry lamination or wet lamination) is used. 1) and thermoplastic resin film (2) Layer.
- the UV curable adhesive that can be used as the adhesive layer (3) is generally an adhesive that is reactively cured by irradiating ultraviolet rays, and is easier to handle than a chemically reactive curable resin adhesive. After irradiation, the time required for curing is short. Once cured, very strong adhesive strength can be obtained.
- urethane-based, polyester-based, and epoxy-based resins are used as prepolymers, and acrylic acid esters are used as monomers.
- a photopolymerization initiator, a photopolymerization inhibitor, and, if necessary, a silicone resin are used as additives.
- a visible light curable adhesive is also considered to be included in this genus.
- the light transmittance in at least one ultraviolet region (wavelength 380 nm) of the thermoplastic resin film (1) and the thermoplastic resin film (2) is set to 60% or more, and the ultraviolet ray is transmitted from the film layer side. It is preferable to cure the ultraviolet curable adhesive of the adhesive layer (3) by irradiation.
- the electron beam curable adhesive that can be used as the adhesive layer (3) is generally an adhesive that is reactively cured by irradiation with an electron beam, and is easier to handle than a chemically reactive curable resin adhesive. After electron beam irradiation, the time required for curing is short, and once cured, very strong adhesive strength can be obtained. When an electron beam curable adhesive is used, even when the thermoplastic resin film (1) and the thermoplastic resin film (2) are opaque, it can be suitably used.
- polyamide resin, vinyl resin, urethane resin, polyester resin, epoxy resin, etc. are used as prepolymers, and acrylic acid esters are used as monomers.
- an additive such as a photopolymerization initiator is not particularly required, but a known photopolymerization initiator can be added in order to promote curability.
- the coating method of the ultraviolet curable adhesive and the electron beam curable adhesive the same method as the pressure-sensitive adhesive, or letterpress printing, offset printing, screen printing, flexographic printing, gravure printing and the like can be preferably used.
- the same method as the pressure-sensitive adhesive, or letterpress printing, offset printing, screen printing, flexographic printing, gravure printing and the like can be preferably used.
- the antenna and IC chip (IC module) for transmitting and receiving data in a non-contact manner used in the in-mold molding label of the present invention preferably have any of the functions of an RFID tag, a smart tag, and an active tag. .
- RFID tags are those in which IC chips can also be used as memory cards such as PROM, EPROM, and EEPROM.
- Identification codes are recorded in these ROMs, but these codes cannot be modified by factory burning, or they can be written in a state that has passed authentication with a circuit that controls access. Its feature is that it can be made very compact, and it is difficult to reproduce in size and has copy resistance.
- Smart tags are more difficult to analyze the internal structure of software and nodeware and stored data than RFID, and the IC chip generally uses a CPU (also called an MCU). It consists of a built-in CPU card. Since the card itself has a calculation function, authentication using encryption can be performed between the IC chip and the reader Z writer, and the tag itself can determine whether access is legitimate when reading or writing data. . For this reason, it is very difficult for a third party to perform unauthorized access and alteration, and high security can be realized.
- IC modules that send and receive data without contact cannot supply voltage for circuit activation from outside, unlike contact-type IC modules. For this reason, electromagnetic waves (radio waves or magnetic fields) or microwaves from the reader Z writer are electrostatically converted into starting voltages to operate the circuit.
- the type of electromagnetic waves used the distance between the ic module and the reader Z writer, direction, etc.
- sufficient start-up voltage cannot be obtained, and operation may become unstable.
- An active tag has a long-life battery or a self-generating function (such as photovoltaic power generation), and can operate stably even when not accessed.
- the former is sometimes called a passive tag.
- the RFID label or smart tag is used as the IC module in the in-mold molding label of the present invention. It is particularly preferable to use RFID. Good.
- the IC module is provided by forming an IC circuit and a wiring circuit on a circuit board.
- Board materials for circuit boards can be selected according to the purpose. Rigid types such as general paper phenol, glass epoxy, BT resin, FR4, composite, flexible type such as polyimide film, polyester film, polyethylene film, and both. A complex type is used.
- the wiring circuit is a method of installing a coiled metal conductor on the substrate material using an adhesive, or by deforming a film by heating and pressing, or a substrate material stretched with a metal such as copper or aluminum.
- the IC module is formed by mounting an IC circuit on a substrate on which a wiring circuit is formed by the above method, and electrically connecting the antenna and the IC circuit.
- the IC circuit is mounted on the board using wire-one bonding, tape automated bonding, or chip-on board flip-chip mounting.
- wire-one bonding for mounting IC circuits and connecting to antennas, normal soldering, use of conductive adhesives, and ultrasonic waves can be used. There is.
- IC chips are small, 0.3 to 0.4 mm square and 60 m thick. This including the antenna can be easily embedded in the adhesive layer (3) described above, and the presence of the IC module cannot be easily confirmed from the appearance of the resulting in-mold molding label. .
- the IC module can be used by being embedded (packaged) with epoxy resin to protect the mounted IC circuit and wiring circuit. In this case, the thickness of the IC module is 150 ⁇ m to lmm after embedding with epoxy resin.
- thermoplastic resin film (1) or the thermoplastic resin film (2) As a method for forming the label for in-mold molding of the present invention, after the adhesive layer (3) is provided on one surface of the thermoplastic resin film (1) or the thermoplastic resin film (2), Mount the IC chip and antenna on the adhesive, and laminate the other film. Just go together. This is because when both the thermoplastic resin film (1) and the thermoplastic resin film (2) to be used are in the roll form, the dry lamination method is used, and when one is in the sheet form, the print lamination method is used. In the case of a sheet form, a hot press lamination method can be preferably used. Alternatively, the sheets may be bonded together manually.
- thermoplastic resin film (2) When laminating by the above method, printing or printing on the thermoplastic resin film (2) may be performed before molding (before bonding) or after molding (after bonding). Also good.
- the label for in-mold molding of the present invention can be used for various types of resin containers.
- it can be used for containers with high strength such as high-density polyethylene, polypropylene, polyester, polystyrene, polychlorinated butyl, and polycarbonate, and is particularly suitable for containers with high-density polyethylene, polypropylene, polyester, and polystyrene.
- the label for in-mold molding of the present invention is integrally attached at the time of molding the container in the mold to provide a thermoplastic resin container.
- the adhesive strength between the thermoplastic resin container and the in-mold molding label is preferably 3 OOgfZ25 mm or more, more preferably 300 to 8000 gfZ25 mm, and particularly preferably 500 to 7000 gfZ25 mm. . If the adhesive strength between the label for in-mold molding and the container is less than 300gfZ25mm, peeling is easy, and the label for in-mold molding falls off from the container, and the function as a label is insufficient.
- thermoplastic resin container of the present invention is manufactured in a mold by at least one of injection molding, hollow molding, differential pressure molding, and foam molding. Above all, it is suitable for injection molding, hollow molding and differential pressure molding.
- each physical property value and its range were measured according to the following method.
- Thermal conductivity A thermal conductivity meter “QTM-D3J (trade name)” manufactured by Kyoto Electronics Industry was measured by the V-probe method.
- thermoplastic resin film is cut into a 100mm square both vertically and horizontally, and its actual dimensions are measured in a constant temperature and humidity chamber at a temperature of 23 ° C and a relative humidity of 50%, and then in a ventilation oven at 120 ° C. After heat-treating for 30 minutes and taking out, it was again allowed to cool in a constant temperature and humidity chamber for 1 hour, and the actual dimensions were measured and calculated by calculating the dimensional change compared to before the oven heat treatment.
- Melt flow rate (MFR: 230 ° C, 2.16 kg load) 0.8 g / 10 min propylene homopolymer 80 wt% high density polyethylene 5 wt% calcium carbonate with average particle size 1.
- a composition (lb) containing wt% was kneaded with an extruder set at a temperature of 270 ° C., and then extruded into a sheet shape with a T-die and cooled by a cooling device. A stretched sheet was obtained. Next, the unstretched sheet was heated to a temperature of 140 ° C., and then stretched 4 times in the longitudinal direction using the peripheral speed of the roll group to obtain a 4 times longitudinally stretched sheet.
- the propylene homopolymer 55 weight 0/0 of MFR force gZlO min, at an average particle size 1.
- charcoal calcium 45 wt% mixed surface layer composition (lc) an extruder set at 270 ° C The kneaded and extruded sheet is stacked on one side of the 4x longitudinally stretched sheet obtained in the above process. Layered.
- hexene copolymerization meth spout catalyst use the, MFR of hexene to ethylene and 1 obtained by copolymerizing Te is 18GZ 10 minutes, density 0. 898gZcm 3, the ethylene-1 one with a melting point of 90 ° C combined (1 one hexene content 22 wt%, crystallinity of 30%, a number average molecular weight 23, 000) and 70 wt%, MFR is 4gZlO min, density 0.
- composition (Id) of the same composition as (lc) are melt kneaded at 250 ° C using separate extruders, and fed to a single coextrusion die and 230 ° C in the die. After laminating, the other side of the 4 ⁇ longitudinal stretch sheet obtained in the above step was laminated so that the (la) layer was on the outside.
- lcZlbZldZla —axial stretching ⁇ biaxial stretching ⁇ —axial
- a thermoplastic resin film (1) having a heat-sealable layer (la) of (stretching-axial stretching) was obtained.
- This product had a whiteness of 96%, a porosity of 35%, a thermal conductivity of 0.115 W / m-K, a heat shrinkage of 3.5%, and an opacity of 95%.
- the surface layer composition (lc) mixed with 1% by weight of calcium oxide was kneaded in an extruder set at 270 ° C and the extruded sheet was stacked on one side of the 4x longitudinally stretched sheet obtained in the above process. Layered.
- MFR is 4gZlO min, density 0.
- composition (Id) of the same composition as (lc) are melt kneaded at 250 ° C using separate extruders, and fed to a single coextrusion die and 230 ° C in the die. After laminating, the other side of the 4 ⁇ longitudinal stretch sheet obtained in the above step was laminated so that the (la) layer was on the outside.
- Four-layer structure (lcZlbZldZla —axial stretching Z biaxial stretching Z—axis
- a thermoplastic resin film (1) having a heat-sealable layer (la) with a stretched Z-axis stretching) was obtained.
- This product had a whiteness of 89%, a porosity of 1%, a thermal conductivity of 0.135 WZm.K, a heat shrinkage of 2.3%, and an opacity of 15%.
- the composition (C) was melt-kneaded at 250 ° C using three separate extruders.
- sheet A laminated film was obtained by extruding to about 60 ° C with a cooling roll.
- This laminated film is reheated to 145 ° C, stretched 5 times in the machine direction using the peripheral speed difference of many roll groups, reheated to about 150 ° C again, and then transversely with a tenter 8. Stretched 5 times.
- the product (lc) was kneaded by an extruder set at a temperature of 270 ° C., then extruded into a sheet form, and further cooled by a cooling device to obtain an unstretched sheet. Next, the sheet was heated again to a temperature of 160 ° C., and then stretched 5 times in the machine direction to obtain a 5 times stretched film.
- 5 mu surface layer composition carbonated calcium were mixed 46% by weight of ⁇ the (Id) to 210 ° C After kneading with a machine, this was extruded into a sheet shape by a die, and this was laminated on both sides of the 5-fold longitudinally stretched sheet obtained in the above-mentioned process to obtain a laminated film having a three-layer structure. Next, this three-layer laminated film was cooled to a temperature of 60 ° C, heated again to a temperature of about 160 ° C, stretched 7.5 times in the transverse direction using a tenter, and 165 ° C.
- the composition containing% was kneaded with an extruder set at a temperature of 270 ° C., then extruded into a sheet, and further cooled with a cooling device to obtain an unstretched sheet. Next, this sheet was heated again to a temperature of 180 ° C., then stretched 5 times in the machine direction, and then annealed at 182 ° C. to obtain a uniaxially stretched film.
- This uniaxially stretched film was cooled to a temperature of 60 ° C, and it had a thickness of 80 ⁇ m, a density of 0.90 g / cm 3, a porosity of 0.5%, a heat shrinkage of 1.0%, and an opacity of 10% A uniaxially stretched film was obtained.
- thermoplastic resin film (1) having a heat-sealable layer (la) was obtained in the same manner as in Production Example 6 except that the laminated stretched film obtained in Production Example 4 was used.
- thermoplastic resin film (1) having a heat-sealable layer (la) was obtained in the same manner as in Production Example 6 except that the uniaxially stretched film obtained in Production Example 5 was used.
- the composition (2c) containing% was kneaded in an extruder set at a temperature of 270 ° C., then extruded into a sheet, and further cooled by a cooling device to obtain an unstretched sheet. Next, the sheet was heated again to a temperature of 150 ° C., and then stretched 5 times in the machine direction to obtain a 5 times stretched film.
- 5 mu surface layer composition carbonated calcium were mixed 46% by weight of ⁇ a (2d) to 210 ° C After kneading with a machine, this was extruded into a sheet shape by a die, and this was laminated on both sides of the 5-fold longitudinally stretched sheet obtained in the above-mentioned process to obtain a laminated film having a three-layer structure. Next, this three-layer laminated film was cooled to a temperature of 60 ° C, heated again to a temperature of about 155 ° C, stretched 7.5 times in the transverse direction using a tenter, and 165 ° C.
- a surface modification layer was provided as a printable layer (2a) on both surface layers of the obtained laminated stretched film by the following method.
- thermoplastic resin film (2) The both sides of the thermoplastic resin film (2) were subjected to corona discharge treatment as follows.
- the corona discharge treatment machine used was the Kasuga Electric Co., Ltd. corona discharge treatment machine HFS400F, the aluminum electrode and the separator roll were silicone-coated rolls, and the gap between the electrode and roll was 2 mm.
- the treatment was performed at a line speed of about 30 m / min and an applied energy density of 50 W. min / m 2 .
- the surface treatment agent prepared by the following method is coated on both sides of the thermoplastic resin film (2) subjected to corona discharge treatment, and the coating amount after drying with a roll coater becomes 0.06 g / m 2 on one side.
- the film was dried in an oven at a temperature of about 65 ° C. for several tens of seconds, and the printable thermoplastic resin film (2) was obtained.
- the heat shrinkage and opacity were the same as those of the laminated stretched finer.
- a four-necked flask equipped with a stirrer, a reflux condenser, a thermometer, and a nitrogen-introducing introduction tube is made of polyethyleneimine “Epomin P-1000 (degree of polymerization 1600)” (trade name, manufactured by Nippon Shokubai Co., Ltd.) 25 weight 0/0 aqueous solution of 100 parts, n- butyl chloride 10 parts and propylene glycol monomethyl ether 10 parts mosquitoes ⁇ Ete, stirred under a nitrogen stream, a solid performed 20 hours denaturation reaction at a temperature at 80 ° C for As a result, a primer comprising 20% by weight of a butyl-modified polyethyleneimine aqueous solution was obtained.
- thermoplastic resin film (2) was obtained as a printable layer (2a). This film had the same thermal contraction rate as that of the biaxially stretched film and an opacity of 95%.
- compositions were mixed to prepare a thermal transfer receiving layer coating solution.
- the antenna circuit is printed on one side of a 125 ⁇ m thick polyester film by silk screen printing with an isocyanate solvent-based silver paste, dried with hot air, and then left in a constant temperature room at 80 ° C for 3 hours to remove the force. It was. After that, an IC chip (thickness 60 m) is mounted on the antenna surface, the surface is embedded with epoxy resin, and an IC module (thickness 300 ⁇ m) consisting of the IC chip and antenna and having the RFID function is mounted. Obtained.
- a one-component curable adhesive (trade name: TM265, manufactured by Toyo Morton Co., Ltd.) becomes a solid content of 20 gZm 2 After coating in this manner, it was dried to form an adhesive layer (3).
- the adhesive layer (3) in Production Example 12 The obtained IC chip and antenna were mounted, and the surface layer (lc) side of the thermoplastic resin film (1) having the heat-sealable layer (la) obtained in Production Example 1, and the thermoplastic resin film (2 The adhesive (3) above was laminated so as to be in contact with each other, and adhered through a pressure-bonding roll to obtain an in-mold molding label of the present invention.
- thermoplastic resin film (1) The adhesive strength between the thermoplastic resin film (1) and the thermoplastic resin film (2) is 5000gfZ 25mm.
- an ultraviolet curable adhesive (trade name: UV SPA, manufactured by Teikoku Mfg. Co., Ltd.) After coating so that the solid content is 2 Og / m 2 , the IC chip and the antenna obtained in Production Example 12 were mounted, and the thermoplastic resin having the heat-sealable layer (la) obtained in Production Example 2
- the surface layer (lc) side of the film (1) and the adhesive on the thermoplastic resin film (2) were laminated so as to be in contact with each other, and were bonded together via a pressure roll. Next, ultraviolet rays were irradiated with an ultraviolet irradiator from the thermoplastic resin film (1) side.
- UV light was irradiated at a power of 280 W / cm using a metal nanoride lamp.
- the ultraviolet intensity at this time was 2100 mWZcm 2 . Since the UV irradiation width was 77 mm and the line speed force was OmZmin, the cumulative amount of UV light was 24 2mjZcm 2 . Under such curing conditions, the ultraviolet curable adhesive was cured to form the adhesive layer (3), and the in-mold molding label of the present invention was obtained.
- thermoplastic resin film (1) The adhesive strength between the thermoplastic resin film (1) and the thermoplastic resin film (2) is 4000gfZ 25mm.
- an acrylic pressure-sensitive adhesive (trade name: Olivevine BPS-1109, Toyo Ink Chemical Co., Ltd.) (Co., Ltd.) was applied to a solid content of 25 gZm 2 and dried to form an adhesive layer (3).
- the adhesive layer (3) On the adhesive layer (3), the IC chip and antenna obtained in Production Example 12 are mounted, and the heat-sealing of the thermoplastic resin film (1) having the heat-sealable layer (la) obtained in Production Example 6
- the adhesive layer (3) on the thermoplastic resin film (2) is laminated so as to be in contact with the side other than the adhesive layer (la), and is bonded via a pressure-bonding roll. For la Got a bell.
- thermoplastic resin film (1) The adhesive strength between the thermoplastic resin film (1) and the thermoplastic resin film (2) was 800 gfZ2 5 mm.
- thermoplastic resin film (1) having the heat sealable layer (la) obtained in Production Example 7 A grease adhesive (trade names: BLS-2080A, BLS-2080B) was applied at a rate of 25 g / m 2 (ratio of solid components) to form an adhesive layer (3).
- the adhesive layer (3) On the adhesive layer (3), the IC chip and the antenna obtained in Production Example 12 are mounted, and the printable thermoplastic resin film (2) obtained in Production Example 11 is applied to the thermal transfer receiving layer (printing suitability).
- the layer (2a)) was laminated on the adhesive layer (3) so that the layer (2a) was on the outside, and was bonded via a pressure roll to obtain an in-mold molding label of the present invention.
- the in-mold molding label of the present invention was obtained in the same manner as in Example 2 except that the thermoplastic resin film (1) having a heat-sealable layer (la) was used in Production Example 8.
- the adhesive strength between the plastic resin film (1) and the thermoplastic resin film (2) is 4000gfZ 25mm, 7 pieces.
- the label for in-mold molding obtained in Examples 1 to 3 is punched into a label size (width 70 mm, length 90 mm), and printed using an automatic label feeder using vacuum on one of the blow molds.
- high-density polyethylene (melting point 134 ° C) parison is melt extruded at 200 ° C, then the split mold is clamped, and then 4.2 kg / cm 2 of compressed air is applied.
- the product is supplied into the parison, and the nozzle is expanded and brought into close contact with the mold to form a container and fused with a label for in-mold molding. After the mold is cooled, the mold is opened and the label is attached.
- a thermoplastic resin container made of a hollow container was obtained.
- Adhesive strength between in-mold label and container is 800, 830, 350gf respectively Z was 25 mm.
- the label for in-mold molding obtained in Examples 4 to 5 is punched into a label size (width 70 mm, length 90 mm), and printed on one side of an injection mold using a vacuum using an automatic label feeder. After fixing and clamping so that the side is in contact with the mold, high-density polyethylene (melting point: 134 ° C) is melt-extruded, made into a container by injection molding and fused with an in-mold molding label, and then the mold is After cooling, a thermoplastic resin container (drink case) having a container force in which the mold was opened and the label was attached was obtained.
- the adhesive strength between the in-mold label and the container was 350 and 370gfZ25mm, respectively.
- UV offset ink manufactured by T & K TOKA, product name: Letters etc. were printed by Best Cure 161S. This was able to be fed and discharged without problems on the printing press. Next, this was punched to obtain an in-mold forming label having a width of 70 mm and a length of 90 mm.
- the obtained labels and the containers obtained by the methods of Examples 6 to 10 were water resistant and did not cause any trouble even in a frozen storage environment. In addition, the function of the IC module did not cause any problems.
- the in-mold forming labels obtained in Examples 3 and 4 were punched out to obtain those having a width of 70 mm and a length of 90 mm.
- the obtained label and the container obtained by the methods of Examples 8 and 9 were water-resistant and were free from defects even in a frozen storage environment. In addition, the function of the IC module did not cause any problems.
- the present invention is intended for in-mold molding that includes an IC module that can solve problems in production, with the objective of protecting the IC module with heat, pressure, and electrostatic force during label molding, printing, printing, and in-mold molding. It can be used in the field of labels and thermoplastic resin containers with labels.
- This in-mold label has a function as an IC label and can be printed or printed on the surface, and there is no security concern that the internal IC chip or antenna can be seen through. . Furthermore, when the label is formed, when printing or printing is performed, and when the label is attached to a thermoplastic resin container, the internal IC chip or antenna is not damaged by the process. ,.
- thermoplastic resin container obtained and the label formed integrally therewith are excellent in strength, water resistance, and adhesive strength, and can be used in water both indoors and outdoors.
- Containers for frozen foods, industrial products It can be used for various chemical containers, manufacturing process management applications, logistics management applications, and returnable boxes.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800221319A CN1977297B (zh) | 2004-06-30 | 2005-06-29 | 模具内成型用标签 |
US11/630,616 US9636857B2 (en) | 2004-06-30 | 2005-06-29 | Label for in-mold forming |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004192600 | 2004-06-30 | ||
JP2004-192600 | 2004-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006003949A1 true WO2006003949A1 (ja) | 2006-01-12 |
Family
ID=35782756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011981 WO2006003949A1 (ja) | 2004-06-30 | 2005-06-29 | インモールド成形用ラベル |
Country Status (3)
Country | Link |
---|---|
US (1) | US9636857B2 (ja) |
CN (1) | CN1977297B (ja) |
WO (1) | WO2006003949A1 (ja) |
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JP2011208037A (ja) * | 2010-03-30 | 2011-10-20 | Arakawa Chem Ind Co Ltd | 無機薄膜付プラスチック用アンダーコート剤、無機薄膜付プラスチックフィルム、インモールド成型用加飾フィルムおよびインサート成型用加飾フィルム |
JP4819948B2 (ja) * | 2006-07-25 | 2011-11-24 | センサーマティック・エレクトロニクス・コーポレーション | 電子商品監視用の磁気機械タグ、磁気機械タグの製造方法 |
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---|---|---|---|---|
JP4819948B2 (ja) * | 2006-07-25 | 2011-11-24 | センサーマティック・エレクトロニクス・コーポレーション | 電子商品監視用の磁気機械タグ、磁気機械タグの製造方法 |
WO2008134537A1 (en) * | 2007-04-27 | 2008-11-06 | Rio Tinto Alcan, Inc. | Method and apparatus for blow-molding containers with in-mold film having rfid tag fused thereto |
JP2008303522A (ja) * | 2007-06-08 | 2008-12-18 | Koreit Co Ltd | 保安用印刷用紙及びその製造方法 |
JP2010529317A (ja) * | 2007-06-08 | 2010-08-26 | 株式会社コーレイト | 保安用印刷用紙及びその製造方法 |
WO2009065445A1 (en) * | 2007-11-23 | 2009-05-28 | I.S.D.I. S.A. | In-mould label and method for manufacturing thereof |
JP2011208037A (ja) * | 2010-03-30 | 2011-10-20 | Arakawa Chem Ind Co Ltd | 無機薄膜付プラスチック用アンダーコート剤、無機薄膜付プラスチックフィルム、インモールド成型用加飾フィルムおよびインサート成型用加飾フィルム |
CN103660329A (zh) * | 2012-08-29 | 2014-03-26 | 优泊公司 | 带模内标签的塑料容器的制造方法以及用该方法得到的带模内标签的塑料容器 |
WO2014112389A1 (ja) * | 2013-01-18 | 2014-07-24 | 株式会社ユポ・コーポレーション | インモールドラベル、樹脂成形品及びその製造方法 |
US11884643B2 (en) | 2018-07-05 | 2024-01-30 | Bayer Aktiengesellschaft | Substituted thiophenecarboxamides and analogues as antibacterials agents |
US11952359B2 (en) | 2018-07-05 | 2024-04-09 | Bayer Aktiengesellschaft | Substituted thiophenecarboxamides and analogues as antibacterials agents |
Also Published As
Publication number | Publication date |
---|---|
CN1977297A (zh) | 2007-06-06 |
US9636857B2 (en) | 2017-05-02 |
US20070218227A1 (en) | 2007-09-20 |
CN1977297B (zh) | 2011-09-14 |
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